(19)
(11) EP 0 469 536 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.10.1992 Bulletin 1992/44

(43) Date of publication A2:
05.02.1992 Bulletin 1992/06

(21) Application number: 91112765.2

(22) Date of filing: 30.07.1991
(51) International Patent Classification (IPC)5: B41J 2/175, B41J 25/34, B41J 29/58
(84) Designated Contracting States:
BE DE ES FR GB IT NL

(30) Priority: 31.07.1990 JP 203179/90
31.08.1990 JP 230324/90
27.09.1990 JP 255151/90
28.09.1990 JP 259162/90
27.07.1991 JP 181687/91

(71) Applicant: CANON KABUSHIKI KAISHA
Tokyo (JP)

(72) Inventors:
  • Kurata, Mitsuru
    Ohta-ku, Tokyo (JP)
  • Miyauchi, Yasuo
    Ohta-ku, Tokyo (JP)
  • Matsuo, Takayuki
    Ohta-ku, Tokyo (JP)

(74) Representative: Tiedtke, Harro, Dipl.-Ing. et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
80336 München
80336 München (DE)


(56) References cited: : 
   
       


    (54) An ink jet recording apparatus


    (57) An ink jet recording apparatus wherein recording is effected by ejecting ink to a recording material from a recording head cartridge detachably mountable to a main assembly of the apparatus includes a carriage, movable in a main scan direction, for mounting thereon the recording head cartridge; mounting and demounting mechanism for controlling mounting and demounting of the recording head cartridge on the carriage; a controlling member for controlling operation of the mounting and demounting mechanism to permit mounting or demounting of the recording head cartridge only when the carriage is disposed outside a position where it is faced to the recording material.






    Search report